QUESTION 6 Evaluate p2π cos 30 -do. 5+4 cos 0

Q: Evaluate cos (1 + 2i)

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Q: Question 4 Write, in simpler form: a) b) c) cos¹ x - sin¹ x tanx-cotx √2 cos x+2

A: Topic = Trigonometry

Q: Determine the exact value of cos 121° cos 590 - sin 121° sin 59⁰ 0 2 1 -1

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Q: Identify the value that is equivalent to sir O sin 28 O cos 28 O cos 118 O sin 118

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Q: Question 9 Use the given information to find the exact value of the expression. sin α = 1, & lies in…

A: Ans : B  = 25−6+421​​Explanation:Explanation:

Q: exp(exp(-in)) coS TT -1sin Tt -0.3679 - exp(cos Tu i sin Tt) 1 Sin 0.3679

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Q: Simplify the expression. co x+10 cos x + 25 COSX +5 COS X+ 5 O cOs X -5 sin x + 5 cosx-5 1.

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Q: 117 TT Evaluate cos as cos 12 3

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Q: Which of the following is an equivalent expression to sin - (sin )(cos²0)? O cos²e O cos³e O sin²e O…

A: Given expression      sin(θ)-(sin(θ))(cos2(θ)) Here we use the following identity:…

Q: Hence or otherwise find the exact value of 2 sin 285 cos 45

A: Given  To find exact value of 2sin285 cos 45   Using formula

Q: sin 2x (a – b 2x)4 + K. VI Cos 2r

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Q: Find cos 2a, if cosa =12/13and 3pi/2 <a<2

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Q: Determine the cofunction of cos

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Q: 85n Evaluate cos 4

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Q: Evaluate cos 2 cos 7x without using a calculator. (Assume x>0.) |

A: given that cos( 2cos-1 7x) and we simply this here x>0 . Here i attached solution of this…

Q: Find the exact value of cos 20 if cos 0 and 0 lies in QII %3D

A: cos2θ = 2cos2θ - 1          =2(-13)2 - 1          =29 - 1          =-79

Q: Draw and find the exact value  of these expressions   csc(cos-1 square root of 3 over 2) cot(cos-1…

A: Part (a) given expression

Q: The cos 5² +6²-8² 2(5)(6) = 86°

A: Solution is given below:

Q: Complete the sentence below. cos (20) = cos 20-, -1=1-

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Q: Evaluate L{cos (3+2t)}

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